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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 16, Iss. 8 — Aug. 1, 1999
  • pp: 1947–1957

Index mismatch for diffuse photon density waves at both flat and rough diffuse–diffuse interfaces

J. Ripoll and M. Nieto-Vesperinas  »View Author Affiliations


JOSA A, Vol. 16, Issue 8, pp. 1947-1957 (1999)
http://dx.doi.org/10.1364/JOSAA.16.001947


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Abstract

By means of a surface-integral formalism we derive the integral equations for diffuse photon density waves with boundary conditions corresponding to a diffuse–diffuse interface with index mismatch and solve them numerically without any approximation. These numerical results are verified with Monte Carlo simulations for the planar interface case. Since the application of the boundary condition to index-mismatched media is difficult, an approximation that yields very accurate values is found. This approximation can be easily introduced into analytical models, and a study of its limit of validity is shown. We demonstrate with numerical results that the multiple-scattering contribution that is due to surface roughness can be neglected, even when index mismatch is present.

© 1999 Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(170.5270) Medical optics and biotechnology : Photon density waves
(170.7050) Medical optics and biotechnology : Turbid media

History
Original Manuscript: October 29, 1998
Revised Manuscript: April 5, 1999
Manuscript Accepted: April 5, 1999
Published: August 1, 1999

Citation
J. Ripoll and M. Nieto-Vesperinas, "Index mismatch for diffuse photon density waves at both flat and rough diffuse–diffuse interfaces," J. Opt. Soc. Am. A 16, 1947-1957 (1999)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-16-8-1947

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